[MPlayer-users] VESA Not Working on Kernels > 2.6.15.5

Rich Felker dalias at aerifal.cx
Wed Aug 30 05:13:01 CEST 2006


On Sun, Aug 27, 2006 at 08:43:38PM -0500, Obecalp wrote:
> > On Sun, Aug 27, 2006 at 11:28:31AM -0500, Obecalp wrote:
> > > Hi Stephen,
> > > 
> > > I have tried using the neofb kernel framebuffer support but 
> > it is very 
> > > slow compared to VESA.  The machine is very slow too 
> > (150Mhz) Pentium 
> > > MMX, so every bit of speed that I can squeeze out of it is 
> > important.
> > 
> > There's no reason that fb should perform differently than VESA.
> > Perhaps you need to setup the mtrr's manually? Omitting mtrr 
> > makes video VERY slow but I don't even know if pentium mmx had mtrr..
> > 
> > Rich
> > 
> 
> This processor doesn't have mtrr (Pentium MMX 150Mhz).
> 
> VESA on this laptop is much faster than framebuffer video.

Well this should not happen... I don't doubt what you're saying but
it's surely either a bug in the way the neofb driver sets up the card
or something strange in your configuration because there's no reason
why there should be any performance difference between the two..

Rich




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